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B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
B22C15/30—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing by both pressing and jarring devices
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FR529910D1921-01-181921-01-18Perfectionnements aux machines à mouler
ExpiredFR529910A
(fr)